<?php
$city = $REQUEST['city'];
if ($city == "东莞市") {
        echo "虎门镇,长安镇,南城区,松山湖高新区"
    } else if ($city == "广州市") {
        echo "黄埔区,天河区,番禺区,荔湾区"
    } else if ($city == "深圳市") {
        echo "南山区,福田区,龙华区,龙岗区"
    } else if ($city == "珠海市") {
        echo "金湾区,香洲区,斗门区,横琴区"
    } else if ($city == "南京市") {
        echo "雨花台区,江宁区,鼓楼区,玄武区"
    } else if ($city == "无锡市") {
        echo "杭州市,宁波市,温州市,嘉兴市"
    } else if ($city == "苏州市") {
        echo "虎丘区,姑苏区,常熟市,昆山市"
    } else if ($city == "常州市") {
        echo "武进区,新北区,天宁区,钟楼区"
    } else if ($city == "杭州市") {
        echo "杭州市,宁波市,温州市,嘉兴市"
    } else if ($city == "宁波市") {
        echo "济南市,青岛市,烟台市,威海市"
    } else if ($city == "温州市") {
        echo "南京市,无锡市,苏州市,常州市"
    } else if ($city == "嘉兴市") {
        echo "杭州市,宁波市,温州市,嘉兴市"
    } else if ($city == "济南市") {
        echo "济南市,青岛市,烟台市,威海市"
    } else if ($city == "青岛市") {
        echo "南京市,无锡市,苏州市,常州市"
    } else if ($city == "烟台市") {
        echo "杭州市,宁波市,温州市,嘉兴市"
    } else if ($city == "威海市") {
        echo "济南市,青岛市,烟台市,威海市"
    }

?>